# -*- coding: utf-8 -*-
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import os as _os
import sys
# ------------------------------------------------------------------------
#
# #TODO #FIXME Airflow 2.0
#
# Old import machinary below.
#
# This is deprecated but should be kept until Airflow 2.0
# for compatibility.
#
# ------------------------------------------------------------------------
# Imports the hooks dynamically while keeping the package API clean,
# abstracting the underlying modules
[docs]_hooks = {
'base_hook': ['BaseHook'],
'hive_hooks': [
'HiveCliHook',
'HiveMetastoreHook',
'HiveServer2Hook',
],
'hdfs_hook': ['HDFSHook'],
'webhdfs_hook': ['WebHDFSHook'],
'pig_hook': ['PigCliHook'],
'mysql_hook': ['MySqlHook'],
'postgres_hook': ['PostgresHook'],
'presto_hook': ['PrestoHook'],
'samba_hook': ['SambaHook'],
'sqlite_hook': ['SqliteHook'],
'S3_hook': ['S3Hook'],
'zendesk_hook': ['ZendeskHook'],
'http_hook': ['HttpHook'],
'druid_hook': [
'DruidHook',
'DruidDbApiHook',
],
'jdbc_hook': ['JdbcHook'],
'dbapi_hook': ['DbApiHook'],
'mssql_hook': ['MsSqlHook'],
'oracle_hook': ['OracleHook'],
'slack_hook': ['SlackHook'],
}
if not _os.environ.get('AIRFLOW_USE_NEW_IMPORTS', False):
from airflow.utils.helpers import AirflowImporter
[docs] airflow_importer = AirflowImporter(sys.modules[__name__], _hooks)
[docs]def _integrate_plugins():
"""Integrate plugins to the context"""
from airflow.plugins_manager import hooks_modules
for hooks_module in hooks_modules:
sys.modules[hooks_module.__name__] = hooks_module
globals()[hooks_module._name] = hooks_module
##########################################################
# TODO FIXME Remove in Airflow 2.0
if not _os.environ.get('AIRFLOW_USE_NEW_IMPORTS', False):
from zope.deprecation import deprecated as _deprecated
for _hook in hooks_module._objects:
hook_name = _hook.__name__
globals()[hook_name] = _hook
_deprecated(
hook_name,
"Importing plugin hook '{i}' directly from "
"'airflow.hooks' has been deprecated. Please "
"import from 'airflow.hooks.[plugin_module]' "
"instead. Support for direct imports will be dropped "
"entirely in Airflow 2.0.".format(i=hook_name))